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14834813 = 72119259
BaseRepresentation
bin111000100101…
…110001111101
31000220200112112
4320211301331
512244203223
61245543405
7240044120
oct70456175
930820475
1014834813
118412684
124b74b65
1330c53c6
141d823b7
151480778
hexe25c7d

14834813 has 4 divisors (see below), whose sum is σ = 16954080. Its totient is φ = 12715548.

The previous prime is 14834803. The next prime is 14834819. The reversal of 14834813 is 31843841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31843841 = 73436217.

It is a cyclic number.

It is not a de Polignac number, because 14834813 - 218 = 14572669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14834813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14834819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1059623 + ... + 1059636.

It is an arithmetic number, because the mean of its divisors is an integer number (4238520).

Almost surely, 214834813 is an apocalyptic number.

It is an amenable number.

14834813 is a deficient number, since it is larger than the sum of its proper divisors (2119267).

14834813 is an equidigital number, since it uses as much as digits as its factorization.

14834813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119266.

The product of its digits is 9216, while the sum is 32.

The square root of 14834813 is about 3851.5987589571. The cubic root of 14834813 is about 245.7125611374.

Subtracting 14834813 from its reverse (31843841), we obtain a triangular number (17009028 = T5832).

The spelling of 14834813 in words is "fourteen million, eight hundred thirty-four thousand, eight hundred thirteen".

Divisors: 1 7 2119259 14834813